THE PASS CODE

There is a secret club. This club held a meeting. Tommy who heard of this meeting, wanted to participate in the meeting. He went to place where the meeting was held. Outside the place, there was a guard. The guard says a number to the members. The member replies a number and he enters meeting. Tommy decides to observe... This is what Tommy observes:

GUARD: 12 MEMBER 1: 6 (member 1 enters the meeting) GUARD: 6 MEMBER 2 : 3 (member 2 enters the meeting)

Tommy confirmed that he should say the half of the number which the guard says. this is what happened:

GUARD: 10 TOMMY: 5 the guard pushed tommy away.

WHAT WILL BE THE PASS CODE ??